Patents by Inventor David Hernando

David Hernando has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electrical plug installer and remover
    Patent number: 6776648
    Abstract: An electric plug remover and installer with a long adjustable lever arm that has adjustable pivot arms for bearing against a wall or piece of furniture hiding an electric wall outlet and a bottom clamp for holding electric plugs, which is operated by a top hand grip. Elongated clamp arms with enlarged gripping heads are attachable for larger plugs such as those with transformers.
    Type: Grant
    Filed: September 18, 2003
    Date of Patent: August 17, 2004
    Inventor: David Hernando